203323225 has 24 divisors (see below), whose sum is σ = 292455488. Its totient is φ = 137332800.

The previous prime is 203323189. The next prime is 203323231. The reversal of 203323225 is 522323302.

It is a happy number.

It is not a de Polignac number, because 203323225 - 2¹¹ = 203321177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203323196 and 203323205.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3055 + ... + 20395.

Almost surely, 2^203323225 is an apocalyptic number.

203323225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203323225 is a deficient number, since it is larger than the sum of its proper divisors (89132263).

203323225 is a wasteful number, since it uses less digits than its factorization.

203323225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17425 (or 17420 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 203323225 is about 14259.1453109925. The cubic root of 203323225 is about 588.0248275339.

Adding to 203323225 its reverse (522323302), we get a palindrome (725646527).

The spelling of 203323225 in words is "two hundred three million, three hundred twenty-three thousand, two hundred twenty-five".